JPH0467314U - - Google Patents
Info
- Publication number
- JPH0467314U JPH0467314U JP11064890U JP11064890U JPH0467314U JP H0467314 U JPH0467314 U JP H0467314U JP 11064890 U JP11064890 U JP 11064890U JP 11064890 U JP11064890 U JP 11064890U JP H0467314 U JPH0467314 U JP H0467314U
- Authority
- JP
- Japan
- Prior art keywords
- balun transformer
- core
- common mode
- mode coil
- winding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 claims 3
- 238000004804 winding Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Description
第１図から第３図までは本考案によるコモンモ
ードコイル付バルントランスの一実施例を示すも
ので、第１図は平面図、第２図は正面図、第３図
は底面図、第４図は従来例を示す平面図、第５図
はバルントランスにコモンモードコイルを結合し
た電気回路図で、本考案と従来例に共通の電気回
路図である。
１０，１０ａ……バルントランス、１２，２２
……メガネコア、１４，２４，４０，４２……平
行二芯線、１６ａ，１６ｂ……バルントランス１
０，１０ａの３００Ω側端部（例えば入力側）、
１８ａ，１８ｂ……バルントランス１０，１０ａ
の７５Ω側端部（例えば出力側）、２０，２０ａ
……コモンコードコイル、２６ａ，２６ｂ……コ
モンコードコイル２０，２０ａの入力端部、２８
ａ，２８ｂ……コモンコードコイル２０，２０ａ
の出力端部、３０……コア、３２，３４……貫通
孔、Ｌ１，Ｌ２，Ｌ３，Ｌ４，Ｌ５，Ｌ６，Ｌ７
，Ｌ８……コイル。
Figures 1 to 3 show an embodiment of a balun transformer with a common mode coil according to the present invention, in which Figure 1 is a plan view, Figure 2 is a front view, Figure 3 is a bottom view, and Figure 4 is a bottom view. The figure is a plan view showing a conventional example, and FIG. 5 is an electric circuit diagram in which a common mode coil is coupled to a balun transformer, which is an electric circuit diagram common to the present invention and the conventional example. 10, 10a...Balun transformer, 12, 22
... Glasses core, 14, 24, 40, 42 ... Parallel two-core wire, 16a, 16b ... Balun transformer 1
0,10a 300Ω side end (e.g. input side),
18a, 18b... Balun transformer 10, 10a
75Ω side end (e.g. output side), 20, 20a
...Common code coil, 26a, 26b...Input end of common code coil 20, 20a, 28
a, 28b... Common code coil 20, 20a
Output end of, 30... Core, 32, 34... Through hole, L 1 , L 2 , L 3 , L 4 , L 5 , L 6 , L 7
, L 8 ... coil.
Claims (1)
２つの貫通孔を通る平行二芯線を前記コアに巻く
ことによつてインピーダンス変換用のバルントラ
ンスを形成し、前記２つの貫通孔を通る平行二芯
線を前記コアに巻くことによつてノイズ除去用の
コモンモードコイルを形成し、前記バルントラン
スの入力側と出力側のいずれか一方に前記コモン
モードコイルを接続してなることを特徴とするコ
モンモードコイル付バルントランス。 (2) バルントランスは、３００Ωと７５Ωのイ
ンピーダンス変換と、平衡と不平衡の変換とを行
なうバルントランスからなる請求項(1)記載のコ
モンモードコイル付バルントランス。[Claims for Utility Model Registration] (1) A balun transformer for impedance conversion is formed by forming two through holes in one core and winding two parallel wires passing through the two through holes around the core. A common mode coil for noise removal is formed by winding parallel two-core wires passing through the two through holes around the core, and the common mode coil is attached to either the input side or the output side of the balun transformer. A balun transformer with a common mode coil, which is characterized by being connected to. (2) The balun transformer with a common mode coil according to claim 1, wherein the balun transformer comprises a balun transformer that performs impedance conversion between 300Ω and 75Ω and balanced and unbalanced conversion.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990110648U JPH0749766Y2 (en) | 1990-10-23 | 1990-10-23 | Balun transformer with common mode coil |
| US07/780,498 US5200718A (en) | 1990-10-23 | 1991-10-22 | Balun transformer with common mode coil |
| KR2019910017697U KR0117203Y1 (en) | 1990-10-23 | 1991-10-23 | Balun transformer with common mode coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990110648U JPH0749766Y2 (en) | 1990-10-23 | 1990-10-23 | Balun transformer with common mode coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0467314U true JPH0467314U (en) | 1992-06-15 |
| JPH0749766Y2 JPH0749766Y2 (en) | 1995-11-13 |
Family
ID=31858014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990110648U Expired - Fee Related JPH0749766Y2 (en) | 1990-10-23 | 1990-10-23 | Balun transformer with common mode coil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0749766Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5470310U (en) * | 1977-10-27 | 1979-05-18 | ||
| JPS61182013U (en) * | 1985-05-01 | 1986-11-13 | ||
| JPS6273605A (en) * | 1985-09-26 | 1987-04-04 | Sanyo Electric Co Ltd | Unbalansed signal suppression transformer |
-
1990
- 1990-10-23 JP JP1990110648U patent/JPH0749766Y2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5470310U (en) * | 1977-10-27 | 1979-05-18 | ||
| JPS61182013U (en) * | 1985-05-01 | 1986-11-13 | ||
| JPS6273605A (en) * | 1985-09-26 | 1987-04-04 | Sanyo Electric Co Ltd | Unbalansed signal suppression transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0749766Y2 (en) | 1995-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |